/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.jbpm.flow.serialization.impl;

import java.io.OutputStream;

import org.jbpm.flow.serialization.MarshallerContextName;
import org.jbpm.flow.serialization.MarshallerWriterContext;
import org.jbpm.flow.serialization.NodeInstanceWriter;
import org.kie.api.runtime.process.NodeInstance;

/**
 * Extension to default <code>MarshallerWriteContext</code>
 */

public class ProtobufProcessMarshallerWriteContext extends ProtobufAbstractMarshallerContext implements MarshallerWriterContext {
    private OutputStream os;

    public ProtobufProcessMarshallerWriteContext(OutputStream os) {
        this.os = os;
    }

    @Override
    public OutputStream output() {
        return os;
    }

    @Override
    public NodeInstanceWriter findNodeInstanceWriter(NodeInstance nodeInstance) {
        NodeInstanceWriter[] writers = this.get(MarshallerContextName.MARSHALLER_NODE_INSTANCE_WRITER);
        for (NodeInstanceWriter writer : writers) {
            if (writer.accept(nodeInstance)) {
                return writer;
            }
        }
        return null;
    }

}
